Obama included big boosts to climate programs and research in his final budget.
Reps. Ted Deutch and Carlos Curbelo formed the first bipartisan climate caucus.
They are expressing confidence that their unusual legal strategy will work.
"They just have to do what the Koch brothers tell them," Clinton said of Republicans.
The filing is the latest unorthodox move by states fighting the regulation.
Sanders has also attacked Clinton as not going far enough on climate.
Trump and Cruz are skeptical of the science behind climate change.
Decision means climate change rule can move forward while its opponents challenge it.
A major environmental group is launching television advertisements in Iowa and New Hampshire to...
Officials are holding off on new leases while they account for climate change effects.
The digital ad from the League of Conservation Voters mocks GOP front-runner Donald Trump.
Obama wants to accelerate the ongoing transition toward clean energy sources.
The United Nations took a big step toward the first international carbon dioxide emissions rules...
Twenty-six states are challenging the landmark rule.
Hearing from those with a strong relationship to the land lets us know what we stand to lose.
They're asking the EPA to regulate methane leaks from existing oil and natural gas wells.
The chairman of the Senate Environment and Public Works Committee said last month’s historic...
Thirteen of the 15 warmest years on record have come since 2000.
New standards would restrict the release and burning of gas.
Attorney General Kamala Harris, who is running for Senate, is leading the investigation.
There is "a full-scale war with coal communities," says Sen. Barrasso.
The initiative follows a pledge in Obama's address Tuesday night.
A video suggests he backed a cap-and-trade system to fight climate change.
Obama is touting clean energy deployment in the United States.